The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
In older people, memory is best early in the morning and then declines during the late afternoon.
33
We blink 25 times a minute.
51
Flu shots only work about 70% of the time.
18
Your heart beats over 100,000 times a day!
54
Panophobia is the fear of everything.
52
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193